He found the rigours of the tour too demanding.他发现这次旅行非常艰苦。She was hardened by the rigours of the Siberian steppes.西伯利亚大草原的艰苦环境使她变得坚强起来。The town managed to escape the rigours of war.这个城镇设法逃过了战争的浩劫....

mourn的一般过去时为：mourned...

adj.吃力的，谨慎的...

The hourglass is almost empty!沙漏几乎要空了!Suitable for: ● hourglass or the full type of bride.适合于: ●沙漏或新娘的全类型.The hourglass empties swiftly and delay could be deadly.沙漏之沙很快就会流光,拖延太久将会带来致命的后果....

honouring的音标：...

flour sack的音标：flour sack的英式发音音标为：['flauə sæk]flour sack的美式发音音标为：[flaʊr sæk]...

fourteenth的音标：fourteenth的英式发音音标为：[ˌfɔ:'ti:nθ]fourteenth的美式发音音标为：[fɔr'tinθ, for-]...

信中附件...

二氢尿嘧啶核苷...

vi.挥舞，茂盛，繁荣，活跃，蓬勃vt.挥动，挥舞n.挥舞，挥动，花样，华丽的辞藻，夸张的行为或手势，花式吹奏...

n.荧光检查...

You must gather your strength for the journey.你必须为这次行程打起精神来。He explained the journey visually by use of pictures.他运用图片形象地讲述了这次旅行。Yes, we have. It's also gook to bring along for your journey.有, 旅行后带回些这个是很不错的.Life can...

arbour的音标：arbour的英式发音音标为：['ɑ:bə(r)]arbour的美式发音音标为：['ɑrbɚ]...

v.使气馁( discourage的第三人称单数 )，使沮丧，阻碍，劝阻...

Give me four eights and two fours, please.请给我四张8分邮票和两张4分邮票.She crawled on all fours over to the window.她爬到窗边。Little shop - girls went fluttering by in pairs and fours , chattering, laughing.年轻的女店员三三两两蹦蹦跳跳从身边走过, 一边走一边说笑着....

n.水道，河道( watercourse的名词复数 )...

fourling的音标：fourling的英式发音音标为：['fɔ:rlɪŋ]fourling的美式发音音标为：['fɔrlɪŋ]...

n.悲哀，伤心...

couriers的音标：...

n.采购...

n.保护者，照顾者...

巴尔弗（姓氏）...

The contents of tea polyphenols in tea can be determined with ferrous tartrate colourimetry method.采用酒石酸亚铁比色法测定茶多酚含量.The content of NaCl in soda ash is determined by colourimetry of mercury thiocyanate.作者采用硫氰酸汞比色法测定纯碱中氯化...

v.走遍（某地）搜寻（人或物）( scour的第三人称单数 )，（用力）刷，擦净，擦亮...

colourless的音标：colourless的英式发音音标为：['kʌlələs]colourless的美式发音音标为：['kʌlərləs]...

Hydrogen is a corlourless, odourless gas.氢气是一种无色 、 无味的气体.Pure air is colourless and odourless.纯空气是无色无臭的.Our new product will keep your bathroom clean and odourless.我厂新产品能保持您的浴室洁净无味....

glamours的音标：...

rumour的现在完成时为：rumoured...

Lourdes的音标：...

" The courier will depart next day , she's told . She sews a warrior's gown all night. "明朝驿使发, 一夜絮征袍.The courier had change for a £10 note.快递员能破开10英镑的纸币。He worked as a motorcycle courier...他的工作是骑摩托车送快递。There wi...